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Hundreds of thousands of people undergo liposuction each year, but a relatively new treatment called "CoolSculpting" claims to remove fat without surgery. This is one of the rare times where the academics CBS News spoke to all agreed that the procedure works if it's used on the right patients, reports CBS News' Vinita Nair.

If you've ever seen before and after pictures following a fat removal procedure, then these photos are not that surprising. However, when you hear the fat was removed after just four treatments without using a knife or a needle, these results are unprecedented.

Dr. Neil Sadick, professor at Weil Cornell Medical College, said the procedure has "the most proven technology." It was created by two Harvard doctors, and as of last month, it was cleared by the FDA for treating a patient's thighs, love handles and belly.